AP7340-15FS4-7 Equivalent & Substitute Parts

Part Overview

The AP7340-15FS4-7 is a linear voltage regulator IC manufactured by Diodes Incorporated, designed for positive fixed 1.5V output applications with 150mA current capacity. This Surface Mount device operates across -40°C to 85°C and features Enable control and Over Current protection. The part is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, design flexibility, or application-specific requirements.

Substiute Parts

AP7340-15FS4-7

Diodes IncorporatedIn Stock: 33274AP7340-15FS4-7 Datasheet

Current PartRFQ

BU15TD2WNVX-TL

Rohm SemiconductorIn Stock: 45070BU15TD2WNVX-TL Datasheet

MFR RecommendedRFQ

NCP177BMX150TCG

onsemiIn Stock: 833NCP177BMX150TCG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AP7340-15FS4-7 are qualified based on the following electrical and mechanical parameters:

• Fixed output voltage of 1.5V
• Surface Mount packaging with 4-pin configuration
• Operating temperature range of -40°C to 85°C
• Enable control feature
• Over Current protection
• Active product status
• ROHS3 compliance

Substitutes must maintain compatibility with the specified output voltage, support the required control features, and operate within the defined temperature range. Package form factor and pin configuration ensure mechanical and electrical interchangeability within the application circuit.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain Active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment. The AP7340-15FS4-7 and NCP177BMX150TCG share identical package form factor (4-XDFN Exposed Pad), enabling direct mechanical substitution. The BU15TD2WNVX-TL uses a 4-UDFN package variant, requiring PCB layout verification for pin-to-pad compatibility.

Output current capacity differs across the three parts: AP7340-15FS4-7 provides 150mA, BU15TD2WNVX-TL provides 200mA, and NCP177BMX150TCG provides 500mA. Selection depends on application current requirements. The NCP177BMX150TCG demonstrates superior dropout voltage performance at 0.38V @ 500mA, while the AP7340-15FS4-7 achieves 0.47V @ 150mA.

All parts include Enable control and Over Current protection. BU15TD2WNVX-TL and NCP177BMX150TCG add Over Temperature protection. PSRR performance is equivalent between AP7340-15FS4-7 and NCP177BMX150TCG at 75dB (1kHz), with BU15TD2WNVX-TL at 70dB (1kHz).

Frequently Asked Questions (FAQ)

Q: Can BU15TD2WNVX-TL replace AP7340-15FS4-7 directly on the PCB?

A: BU15TD2WNVX-TL uses a 4-UDFN package versus the AP7340-15FS4-7's 4-XDFN package. While both are 4-pin Surface Mount devices, the physical dimensions and pad layout differ. PCB footprint verification is required before substitution.

Q: What is the primary advantage of NCP177BMX150TCG over AP7340-15FS4-7?

A: NCP177BMX150TCG provides 500mA output current capacity compared to 150mA, with lower dropout voltage at 0.38V @ 500mA. It shares the identical 4-XDFN package, enabling direct mechanical substitution. Higher current capacity supports applications with increased power demands.

Q: Are all three parts suitable for -40°C to 85°C operating range?

A: Yes. All three parts specify -40°C to 85°C operating temperature range, ensuring thermal compatibility across the defined application environment.

Q: Do the substitute parts maintain the same control features?

A: All three parts include Enable control and Over Current protection. BU15TD2WNVX-TL and NCP177BMX150TCG add Over Temperature protection, providing enhanced thermal management.

Q: What is the output voltage compatibility across all three parts?

A: All three parts deliver fixed 1.5V output voltage, ensuring electrical compatibility for applications requiring this specific voltage level.

Q: Are moisture sensitivity levels equivalent?

A: Yes. All three parts specify MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.